CN213818339U

CN213818339U - PCB circuit board shockproof structure

Info

Publication number: CN213818339U
Application number: CN202023155841.XU
Authority: CN
Inventors: 石进华
Original assignee: Guangde Wang Intelligent Circuit Technology Co ltd
Current assignee: Guangde Wang Intelligent Circuit Technology Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-07-27
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a PCB circuit board shockproof structure in food safety technical field, including placing the board and the case that takes precautions against earthquakes, place the circuit board on the board, place board lower extreme sliding connection has a spout, in the spout with shockproof pole upper end sliding connection, shockproof pole side and No. two spout sliding connection, No. two spouts are seted up in the incasement portion that takes precautions against earthquakes, No. one spring of shockproof pole lower extreme fixedly connected with, a spring lower extreme and the case fixed connection that takes precautions against earthquakes, rack No. one of shockproof pole side fixedly connected with, a rack and gear one side meshing, gear fixed connection is in the pivot No. one number, a pivot and the case that takes precautions against earthquakes rotate and be connected, the utility model discloses can carry out multistage taking precautions against earthquakes to the circuit board, can not only take precautions against earthquakes to vertical direction, can also place the horizontal direction, effectively protected the circuit board, improved the practicality.

Description

PCB circuit board shockproof structure

Technical Field

The utility model relates to a shockproof structure technical field specifically is a PCB circuit board shockproof structure.

Background

A PCB (printed circuit board), i.e. a printed wiring board, which is called a printed board for short, is one of important components in the electronic industry. Almost every kind of electronic equipment, as small as electronic watches, calculators, as large as computers, communication electronics, military weaponry systems, has electronic components such as integrated circuits, and printed boards are used to electrically interconnect the various components. The printed circuit board consists of an insulating bottom plate, a connecting lead and a welding disc for assembling and welding electronic elements, and has double functions of a conductive circuit and the insulating bottom plate.

For some existing mobile devices, a circuit board is prone to crack, electronic elements of the circuit board are fixed on the circuit board, and if the motion amplitude of the circuit board is too large, the positions where the electronic elements are connected with the circuit board are prone to fracture, so that the circuit layer on the circuit board is broken, and normal work of the circuit board is affected.

Based on this, the utility model designs a PCB circuit board shockproof structure to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a following technical scheme:

the utility model provides a PCB circuit board shockproof structure, is including placing the board and taking precautions against earthquakes the case, place the board upper end and place the circuit board, place board lower extreme sliding connection has a spout, in the spout with take precautions against earthquakes pole upper end sliding connection, take precautions against earthquakes pole side and No. two spout sliding connection, No. two spouts are seted up in the incasement portion that takes precautions against earthquakes, No. one spring of pole lower extreme fixedly connected with takes precautions against earthquakes, No. one spring lower extreme and case fixed connection take precautions against earthquakes, a rack of pole side fixedly connected with takes precautions against earthquakes, No. one rack and gear one side meshing, gear fixed connection is in the pivot No. one, a pivot and case that takes precautions against earthquakes rotate to be connected.

As a further aspect of the utility model, case upper end fixedly connected with rubber shock ring takes precautions against earthquakes, rubber shock ring upper end with place the laminating of board lower extreme. During operation, the rubber damping ring can effectively ensure that the circuit board is pressed by the outside, and the circuit board can be protected by effective buffer pressure.

As a further aspect of the utility model, case both sides fixedly connected with limiting plate takes precautions against earthquakes, the one end of the No. two springs of fixed connection on the limiting plate, the No. two spring other ends with place board fixed connection. During operation, when the circuit board receives horizontally vibrations, place the board and carry out the horizontal slip at the shockproof pole along a spout, place No. two springs of board both sides at this moment and can produce elasticity to placing the board and offset the vibrations that receive.

As a further scheme of the utility model, equal fixedly connected with belt pulley in the pivot, the belt pulley passes through belt drive and connects. When the vibration-proof device works, when vibration occurs, the vibration-proof rod is placed to move up and down, the gear is driven to rotate back and forth, the belt pulleys on two sides are driven by the belt to rotate simultaneously, the first rotating shafts on two sides are enabled to rotate synchronously, the vibration amplitude of the vibration-proof rod fixedly connected to the rack meshed with the gear is enabled to be consistent, and the stability of the circuit board is guaranteed.

As a further aspect of the utility model, gear opposite side and No. two rack toothing, No. two rack lower extreme fixedly connected with No. three spring one ends, No. two rack upper end fixedly connected with No. four spring one ends, the other end of No. three springs and No. four springs all with case fixed connection takes precautions against earthquakes, No. two racks and No. three spout sliding connection, No. three spouts are seted up inside the case takes precautions against earthquakes. During operation, the second rack on the other side is driven to move up and down along the third sliding groove through rotation of the gear, the gear rotates to drive the second rack to move up and down during vibration, and effective shock absorption is carried out through stretching and compression of the third spring and the fourth spring which are fixedly connected at the upper end and the lower end.

As a further scheme of the utility model, place board both sides upper end fixedly connected with fixed block, it is connected with the pivot No. two to rotate on the fixed block, No. two pivot upper end fixedly connected with baffles, the laminating of baffle lower extreme and circuit board upper end, threaded connection has the screw on the baffle, screw lower extreme and circuit board with place board threaded connection. During operation, through rotating No. two pivots, place the circuit board on placing the board after, press the baffle in the upper end of circuit board, rethread screw is fixed, has guaranteed the stability of circuit board, also is convenient for install and dismantle, has improved the practicality.

Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

1. the fixing block, the second rotating shaft, the baffle plate, the screws and the placing plate are matched for use, the baffle plate is pressed at the upper end of the circuit board after the circuit board is placed on the placing plate by rotating the second rotating shaft, and then the circuit board is fixed by the screws, so that the circuit board can be quickly mounted and dismounted, and the stability of the circuit board is also ensured,

2. through a spout, No. two springs, limiting plate and the cooperation of placing the board and use, when receiving horizontally vibrations, carry out the horizontal slip at the pole that takes precautions against earthquakes through placing the board along a spout, No. two springs of placing the board both sides at this moment can produce elasticity to placing the board and offset the vibrations that receive, and is effectual to take precautions against earthquakes to the circuit board.

3. When the circuit board is vibrated in the vertical direction, the shockproof rod moves downwards along the second sliding groove to enable the first rack fixedly connected with the shockproof rod to move downwards, the first rack drives the gear to rotate, the rotation of the gear drives the second rack to move upwards, and the first rack compresses the first spring when moving downwards, the elastic force generated by the first spring counteracts the received vibration, the fourth spring at the upper end compresses the third spring at the lower end when moving upwards, the tensile force and the elastic force generated by the spring can counteract the received vibration again, and the belt pulley fixedly connected with the first rotating shaft can be driven to rotate when the gear rotates, make the pivot of two inside shockproof casees rotate simultaneously through the belt, guaranteed that the circuit board when receiving vibrations, self can not produce the slope, only can steadily reciprocate, improved the practicality.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front sectional view of the shockproof box of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-placing plate, 2-shockproof box, 3-circuit board, 4-first sliding groove, 5-shockproof rod, 6-second sliding groove, 7-first spring, 8-first rack, 9-gear, 10-first rotating shaft, 11-rubber damping ring, 12-limiting plate, 13-second spring, 14-belt pulley, 15-belt, 16-second rack, 17-third spring, 18-fourth spring, 19-third sliding groove, 20-fixed block, 21-second rotating shaft, 22-baffle plate and 23-screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a PCB circuit board shockproof structure, including placing board 1 and shockproof case 2, place board 1 upper end and placed circuit board 3, place 1 lower extreme sliding connection of board has spout 4 No. one, in spout 4 with take precautions against earthquakes 5 upper ends sliding connection of pole, take precautions against earthquakes 5 side and 6 sliding connection of spout No. two, No. two spout 6 are seted up inside shockproof case 2, take precautions against earthquakes 5 lower extreme fixedly connected with spring 7 No. one, spring 7 lower extreme and shockproof case 2 fixed connection, take precautions against earthquakes 5 side fixedly connected with rack 8 No. one, rack 8 and gear 9 one side meshing, gear 9 fixed connection is on pivot 10 No. one, pivot 10 rotates with shockproof case 2 to be connected.

As an embodiment of the utility model, 2 upper ends fixedly connected with rubber shock ring 11 of shockproof case, 11 upper ends of rubber shock ring with place the laminating of 1 lower extreme of board. During operation, the rubber damping ring 11 can effectively ensure that the circuit board 3 is pressed by the outside, and the circuit board 3 can be protected by effective buffer pressure.

As an embodiment of the utility model, 2 both sides fixedly connected with limiting plate 12 of case that takes precautions against earthquakes, the one end of the No. two springs of fixed connection 13 on the limiting plate 12, the No. two springs 13 other ends with place 1 fixed connection of board. During operation, when circuit board 3 received the horizontally vibrations, place board 1 and carry out the horizontal slip at shockproof pole 5 along a spout 4, place No. two springs 13 of board 1 both sides at this moment and can offset the vibrations that receive to placing board 1 production elasticity.

As an embodiment of the utility model, equal fixedly connected with belt pulley 14 in pivot 10, belt pulley 14 passes through belt 15 transmission and connects. During operation, when taking place vibrations, put the shake pole and reciprocate, drive gear 9 round trip to rotate, drive the belt pulley 14 simultaneous rotation of both sides through belt 15 this moment, make a pivot 10 synchronous rotation of both sides for the shockproof pole 5 vibration amplitude of fixed connection is unanimous on the rack of gear 9 meshing, has guaranteed the steady of circuit board 3.

As an embodiment of the present invention, the other side of the gear 9 is engaged with the second rack 16, the lower end of the second rack 16 is fixedly connected with the third spring 17, the upper end of the second rack 16 is fixedly connected with the fourth spring 18, the other ends of the third spring 17 and the fourth spring 18 are fixedly connected with the shockproof box 2, the second rack 16 is slidably connected with the third sliding groove 19, and the third sliding groove 19 is opened inside the shockproof box 2. During operation, the second rack 16 on the other side is driven to move up and down along the third sliding groove 19 through rotation of the gear 9, the second rack 16 is driven to move up and down through rotation of the gear 9 during vibration, and effective shock absorption is achieved through stretching and compressing of the third spring 17 and the fourth spring 18 which are fixedly connected with the upper end and the lower end of the third spring.

As the utility model discloses an embodiment places 1 both sides upper end fixedly connected with fixed block 20 of board, rotates on the fixed block 20 and is connected with pivot 21 No. two, No. two pivot 21 upper end fixedly connected with baffle 22, and the laminating is gone up with circuit board 3 to baffle 22 lower extreme, and threaded connection has screw 23 on the baffle 22, screw 23 lower extreme and circuit board 3 and place 1 threaded connection of board. During operation, through rotating No. two pivot 21, place circuit board 3 on placing board 1 after, press baffle 22 in circuit board 3's upper end, rethread screw 23 is fixed, has guaranteed circuit board 3's stability, also is convenient for install and dismantle, has improved the practicality.

One specific application of this embodiment is:

when the utility model is used, the circuit board 3 is placed on the placing plate 1 by rotating the second rotating shaft 21, the baffle plate 22 is pressed on the upper end of the circuit board 3, and then the circuit board is fixed by the screw 23, when the circuit board is horizontally vibrated, the placing plate 1 slides left and right on the shockproof rod 5 along the first sliding groove 4, at the moment, the second springs 13 on both sides of the placing plate 1 can generate elastic force on the placing plate 1 to counteract the received vibration, when the circuit board 3 is vibrated in the vertical direction, the shockproof rod 5 moves downwards along the second sliding groove 6 to ensure that the first rack 8 fixedly connected on the shockproof rod 5 moves downwards, the first rack 8 drives the gear 9 to rotate, the rotation of the gear 9 drives the second rack 16 to move upwards, and when the first rack 8 moves downwards, the first spring 7 is compressed, the elastic force generated by the first spring 7 counteracts the received vibration, when No. two 16 upstairs movements of rack, compress No. four spring 18 to the upper end, stretch No. three spring 17 to the lower extreme, the pulling force that the spring produced and elasticity can offset the vibrations that receive once more, during gear 9 rotates, can drive fixed connection's belt pulley 14 rotates on pivot 10, make the pivot 10 of 2 inside of shockproof casees rotate simultaneously through the belt, guaranteed that circuit board 3 when receiving vibrations, self can not produce the slope, only can steadily reciprocate, the utility model discloses can carry out multistage taking precautions against earthquakes to circuit board 3, can not only take precautions against earthquakes vertical direction, can also place the horizontal direction, effectively protected circuit board 3, improved the practicality.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a PCB circuit board shockproof structure, is including placing board (1) and shockproof case (2), its characterized in that: place board (1) upper end and placed circuit board (3), place board (1) lower extreme sliding connection has spout (4) No. one, in spout (4) with shockproof pole (5) upper end sliding connection, shockproof pole (5) side and No. two spout (6) sliding connection, set up inside shockproof case (2) No. two spout (6), No. one spring (7) of shockproof pole (5) lower extreme fixedly connected with, No. one spring (7) lower extreme and shockproof case (2) fixed connection, shockproof pole (5) side fixedly connected with rack (8) No. one, rack (8) and gear (9) one side meshing, gear (9) fixed connection is on pivot (10) No. one, pivot (10) rotate with shockproof case (2) and are connected.

2. The PCB shock structure of claim 1, wherein: the upper end of the shockproof box (2) is fixedly connected with a rubber damping ring (11), and the upper end of the rubber damping ring (11) is attached to the lower end of the placing plate (1).

3. The PCB shock structure of claim 1, wherein: case (2) both sides fixedly connected with limiting plate (12) take precautions against earthquakes, the one end of fixed connection No. two spring (13) on limiting plate (12), No. two spring (13) other end with place board (1) fixed connection.

4. The PCB shock structure of claim 1, wherein: a belt pulley (14) is fixedly connected to the first rotating shaft (10), and the belt pulley (14) is in transmission connection through a belt (15).

5. The PCB shock structure of claim 1, wherein: the utility model discloses a shockproof box, including gear (9), gear (9) opposite side and No. two rack (16) meshing, No. two rack (16) lower extreme fixedly connected with No. three spring (17) one end, No. two rack (16) upper end fixedly connected with No. four spring (18) one end, the other end of No. three spring (17) and No. four spring (18) all with shockproof case (2) fixed connection, No. two rack (16) and No. three spout (19) sliding connection, No. three spout (19) are seted up inside shockproof case (2).

6. The PCB shock structure of claim 1, wherein: place board (1) both sides upper end fixedly connected with fixed block (20), it is connected with No. two pivot (21) to rotate on fixed block (20), No. two pivot (21) upper end fixedly connected with baffle (22), laminate on baffle (22) lower extreme and circuit board (3), threaded connection has screw (23) on baffle (22), screw (23) lower extreme and circuit board (3) and place board (1) threaded connection.